/*
   Copyright (c) 2011, 2012, 2015 Mizar Tools Contributors (mizartools.org)

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
/*  Contributors :
 *	2011-02-18 Marco Riccardi - initial implementation
 *  2012-04-06 Marco Riccardi - added message in DliParseException
 *  2015-01-11 Marco Riccardi - added method getTypeList
 *
 */
package org.mizartools.dli;

import java.util.LinkedList;

public class Loci {

    private LinkedList<Type> typeList = new LinkedList<Type>();

    private Loci(){}
    
    public Loci(LinkedList<Type> typeList) throws DliException {
		if (typeList == null){
			throw new DliException();
		}
		this.typeList = typeList;
    }
	
	public static Loci newInstance(String string) throws DliParseException {
		Loci loci = new Loci();
		if (string.equals("$loci")){
			return loci;
		}
		int position = string.indexOf("(");
		if (position == -1) {
			throw new DliParseException("["+string+"] is not valid in Loci");
		}
		if (!string.substring(0, position).equals("$loci")){
			throw new DliParseException("["+string+"] is not valid in Loci");
		}
		string = string.substring(position+1, string.length()-1);
		int positionComma = Utility.searchSeparationComma(string);
		while (positionComma != -1) {
			loci.typeList.add(Type.newInstance(string.substring(0, positionComma)));
			string = string.substring(positionComma+1, string.length());
			positionComma = Utility.searchSeparationComma(string);
		}
		loci.typeList.add(Type.newInstance(string));
		return loci;
	}
	
	public LinkedList<Type> getTypeList(){
        return typeList;
    }
	
	@Override
	public String toString() {
		StringBuilder sb = new StringBuilder();
		sb.append("$loci");
		if (typeList.size() != 0){
			sb.append("(");
			boolean first = true;
			for (Type type : typeList){
				if (first) first = false;
				else sb.append(",");
				sb.append(type.toString());
			}
			sb.append(")");
		}
		return sb.toString();
	}

}
